CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM
PensionPosition in WLK — Westlake Corp
CIK 1081019
WEST SACRAMENTO, CA
Position in WLK
as of Jun 30, 2026
· filed Aug 24, 2026
Position Value
$2,693,700
-$2,500,000 QoQ
Shares Held
36,900
-17.0% QoQ
Ownership
0.029%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#86
of 358 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WLK Over Time
Shares Held
Position Value (USD)
Position in Specialty Chemicals
Basic Materials · as of Jun 30, 2026CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM holds $1,036,282,706 across 46 Specialty Chemicals names. WLK ranks #28 (0.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | LIN |
Linde PLC
|
704,703 | $365,698,574 | |
| 2 | SHW |
Sherwin Williams Co
|
386,995 | $133,250,118 | |
| 3 | ECL |
Ecolab Inc.
|
464,016 | $129,279,497 | |
| 4 | APD |
Air Products & Chemicals, Inc.
|
246,141 | $72,163,618 | |
| 5 | PPG |
Ppg Industries Inc
|
497,026 | $60,284,283 | |
| 6 | IFF |
International Flavors & Fragrances Inc
|
544,056 | $43,100,116 | |
| 7 | RPM |
Rpm International Inc/De/
|
352,869 | $39,221,389 | |
| 8 | DD |
DuPont de Nemours, Inc.
|
285,024 | $38,660,655 |
All Filings in WLK
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $2,693,700 | 36,900 | Shares | Sole | 2026-08-24 | |
| 2026-03-31 | $5,193,700 | 44,459 | Shares | Sole | 2026-05-18 | |
| 2025-12-31 | $2,669,086 | 36,098 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $160,978 | 2,089 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $158,465 | 2,087 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $4,520,855 | 45,195 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $5,171,976 | 45,111 | Shares | Sole | 2025-03-18 | |
| 2024-09-30 | $7,146,890 | 47,554 | Shares | Sole | 2025-04-04 | |
| 2024-06-30 | $7,282,563 | 50,287 | Shares | Sole | 2025-04-08 | |
| 2024-03-31 | $7,776,450 | 50,893 | Shares | Sole | 2024-05-16 | |
| 2023-12-31 | $7,289,536 | 52,083 | Shares | Sole | 2024-02-13 | |
| 2023-09-30 | $6,669,346 | 53,496 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $6,803,577 | 56,948 | Shares | Sole | 2023-08-21 | |
| 2023-03-31 | $6,761,981 | 58,303 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $6,044,527 | 58,948 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $5,470,486 | 62,966 | Shares | Sole | 2022-11-21 | |
| 2022-06-30 | $6,202,117 | 63,274 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $5,797,702 | 46,983 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $4,927,210 | 50,728 | Shares | Sole | 2022-02-15 | |
| 2021-09-30 | $5,492,460 | 60,264 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $5,104,319 | 56,658 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $5,233,904 | 58,947 | Shares | Sole | 2021-05-18 | |
| 2020-12-31 | $4,818,480 | 59,050 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $3,678,013 | 58,178 | Shares | Sole | 2020-11-17 | |
| 2020-06-30 | $3,059,015 | 57,018 | Shares | Sole | 2020-08-17 | |
| 2020-03-31 | $2,244,586 | 58,805 | Shares | Sole | 2020-05-13 | |
| No filing history on record for this holder in this stock. | ||||||